ZA753038B - Smoke detector - Google Patents
Smoke detectorInfo
- Publication number
- ZA753038B ZA753038B ZA00753038A ZA753038A ZA753038B ZA 753038 B ZA753038 B ZA 753038B ZA 00753038 A ZA00753038 A ZA 00753038A ZA 753038 A ZA753038 A ZA 753038A ZA 753038 B ZA753038 B ZA 753038B
- Authority
- ZA
- South Africa
- Prior art keywords
- smoke detector
- smoke
- detector
- Prior art date
Links
- 239000000779 smoke Substances 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB41792/74A GB1510630A (en) | 1974-09-25 | 1974-09-25 | Smoke detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA753038B true ZA753038B (en) | 1976-04-28 |
Family
ID=10421390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00753038A ZA753038B (en) | 1974-09-25 | 1975-05-12 | Smoke detector |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU8176975A (en) |
| GB (1) | GB1510630A (en) |
| ZA (1) | ZA753038B (en) |
-
1974
- 1974-09-25 GB GB41792/74A patent/GB1510630A/en not_active Expired
-
1975
- 1975-05-12 ZA ZA00753038A patent/ZA753038B/en unknown
- 1975-06-02 AU AU81769/75A patent/AU8176975A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1510630A (en) | 1978-05-10 |
| AU8176975A (en) | 1976-12-09 |
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